K4 523 then AA 4548 at O'Hare
Anchorage → Chicago → Des Moines
Timetable, Chicago time
10:13K4 523 from Anchorage at the gate
22:45AA 4548 to Des Moines leaves the gate
12 h 32 apart on the timetable
AA 4548 leaves 12 h 32 after K4 523 arrives on the timetable: more than half a day, so not a connection we count.